<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>第一个Thymeleaf测试页</title>
</head>
<body>

    <div> 欢迎 <span th:text="${userName}" ></span> </div>

</body>
</html>